dridex | 54d9c19915996cd9cf3f452987abfdd640ddd074bc6afb88546ea4e411bf4e68

Analysis

max time kernel
61s
max time network
110s
platform
windows10_x64
resource
win10v20201028
submitted
31/03/2021, 16:36

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General

Target
54d9c19915996cd9cf3f452987abfdd640ddd074bc6afb88546ea4e411bf4e68.dll
Size 381KB
Sample210331-syg1jsnfs6
SHA256 54d9c19915996cd9cf3f452987abfdd640ddd074bc6afb88546ea4e411bf4e68
MD5 b43cfaa13ec81c2e07c2a01fa3c296be
SHA1 14c38317d7ba59499b7361edd01f5f52cc73928d
SHA512 4554cc51a3859aa03efdac0b6c362c990f7f642256908d899d01c31673c825b6833b491cefd62a48e16cb42ffd5edec349e8c59b3241f01e4929eacf618b9633
MD5 SHA1 SHA512

Score

10^/10

dridex 10444 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

131.100.24.215:443
210.65.244.174:6601
195.201.199.53:2303

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/736-3-0x0000000073FC0000-0x0000000073FFD000-memory.dmp	dridex_ldr
behavioral2/memory/736-4-0x0000000073FC0000-0x0000000073FFD000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
20	736	rundll32.exe
22	736	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3928 wrote to memory of 736	3928	rundll32.exe	71
PID 3928 wrote to memory of 736	3928	rundll32.exe	71
PID 3928 wrote to memory of 736	3928	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\54d9c19915996cd9cf3f452987abfdd640ddd074bc6afb88546ea4e411bf4e68.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\54d9c19915996cd9cf3f452987abfdd640ddd074bc6afb88546ea4e411bf4e68.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:736

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/736-3-0x0000000073FC0000-0x0000000073FFD000-memory.dmp

Download

memory/736-4-0x0000000073FC0000-0x0000000073FFD000-memory.dmp

Download

memory/736-5-0x0000000003210000-0x0000000003211000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads